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升级   52% TA的每日心情 | 开心 2012-1-13 11:05 |
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签到天数: 15 天 [LV.4]偶尔看看III
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对着S4群表看下面就能懂了,我曾把26字母乘群表带身上2月多3 C/ M) {( y: u
1 W5 I: O' h0 ~6 _4 [
S4 := Sym({ "a", "b", "c", "d" });, w5 u) }: B8 a7 p
> S4; |' M# j& Q& h& M, o$ a/ p
Generators(S4);
% S) u: H, n- q1 L- xIsAbelian(S4);不是交换群
, B& Y) V$ m; ASubgroups(S4: Al := "All") ;列出所有子群
" x5 V* o$ M, Z& W$ Y: c. [6 N Subgroups(S4: Al := "Maximal") ;列出所有极大子群- T' ^ Y, I' x* {9 ^
( v2 E2 g: U4 D5 W ]8 ASubgroupClasses(S4);
! t9 o1 O2 W5 k4 H! b$ ~9 ?: e" n# h( S! R
NormalSubgroups(S4);
6 Y2 V7 i) _* g7 e9 M+ ZAbelianSubgroups(S4) ;
7 K& Q6 T0 W: a2 ^* U3 oMaximalSubgroups(S4) ;4 R5 O( N' L& |9 ] j9 n
1 P' t" t6 Q" F' a# HSubgroupLattice(S4);成格,你可画下这群包扩子群的图
- Z) }) v: E3 z+ k/ G6 F8 W! F1 ^8 M( x+ L, K4 q: J5 V. t& g
GSet(S4);
) O% u" } x" o; y, A1 v* ^ConjugacyClasses(S4);
) K) O$ x. |5 vNumberOfClasses(S4) ; 5类
9 ?0 j9 d" w9 J5 @" n. f7 k3 X- q5 G- ]
Symmetric group S4 acting on a set of cardinality 4
9 I$ m9 X' {% SOrder = 24 = 2^3 * 3
5 O4 ?3 D3 F% ]% q{
6 n& a4 {5 D$ Y2 I4 f6 Q0 E# }; k (c, b, a, d),1 R4 j; P) J S! _, H. c4 W
(c, b)1 m$ @+ @0 L# c9 k8 {# Z* s* X
} 两生成元
5 i# R/ [( A% a! P6 V2 e7 Zfalse
" x$ e, o, z. VConjugacy classes of subgroups 子群共扼类7 B, e! Y% h, B- j# Z5 M+ \& o! [
------------------------------- R. ^2 j2 b H, K0 O: B% }1 a
9 C; X% w$ M) V
[ 1] Order 1 Length 11 @2 ^; X0 C* x& D# e$ F6 |1 v
Permutation group acting on a set of cardinality 4
5 H& L, L% ~, K" J% b' |. } Order = 1; `: L# s7 K* j: j- W- J
[ 2] Order 2 Length 37 g. x3 V/ [4 I
Permutation group acting on a set of cardinality 4( D" u2 _+ q- s+ s# m5 u
Order = 25 R( Z0 g c$ X Y# G
(c, d)(b, a)2 A. |8 t! ^' ]* I+ C2 f7 Z
[ 3] Order 2 Length 6! F S" }! ?9 X" ^8 Y; [8 x5 @
Permutation group acting on a set of cardinality 4
3 j4 Q1 u1 M( Q& c+ d0 c) k* {1 x Order = 2$ U Y5 R( m7 S! U+ }% C
(a, d)* x5 K8 h2 U K* l( r
[ 4] Order 3 Length 4
9 x/ D" v: h" S$ I, B0 V( {" B Permutation group acting on a set of cardinality 4
& }. f+ [$ D# D) C5 H5 e; W/ E$ L& e- E Order = 3
/ K! B4 G# K1 t4 v/ {' S# C# Z (b, a, d)
& `, N& [ z3 f, ]! h[ 5] Order 4 Length 1
! B: b. k8 ?8 C, k4 M Permutation group acting on a set of cardinality 4" m1 `. r0 r6 h- S; s; Z* L2 S
Order = 4 = 2^2
M1 I8 O1 y/ ~4 f: a# A( Z& x (c, d)(b, a)
& W0 h2 o2 @( |0 w (c, a)(b, d)
: H* d d) e. W: a$ V. ]( U[ 6] Order 4 Length 3
2 e3 m! M' \3 v0 P+ Q: p/ } k Permutation group acting on a set of cardinality 46 U2 P5 v g! Q u# i
Order = 4 = 2^2 C$ g! D! l9 ?# C
(c, d, b, a)
* _# a) n# o- ~$ S/ S (c, b)(a, d)
3 e; ~4 l0 t/ B! M/ c+ r[ 7] Order 4 Length 3' z) }# i' t% S6 O
Permutation group acting on a set of cardinality 46 v, Y, V" Y6 F1 I% \$ Q- x
Order = 4 = 2^24 a' s( Z0 D0 q* A
(a, d)$ p, q9 \( b" d
(c, b)(a, d)
* k/ S5 n( E# d2 T$ y[ 8] Order 6 Length 4( O# x- i) c3 P4 e5 J
Permutation group acting on a set of cardinality 4: a- @# u$ a$ J5 F
Order = 6 = 2 * 3
; \) g4 ^% V- k- [1 t ~5 x (a, d)) c& ~9 l' @! C S
(b, a, d)
; t: ?0 c5 m7 d* O[ 9] Order 8 Length 3, K; P, H: c" P& S& g# i& b5 H- X, a
Permutation group acting on a set of cardinality 46 \9 h7 o% l& f3 O3 _
Order = 8 = 2^3, b) A# A, j8 T# o# W: v
(a, d)
5 b6 H; V. V) |; W/ k. B (c, d)(b, a)$ ~9 V8 x. {8 A0 m1 O8 ^1 r
(c, a)(b, d)2 O. e, y' U1 p* d) k; t& |
[10] Order 12 Length 1
) e g0 }5 u6 e4 ?, X Permutation group acting on a set of cardinality 4
- b+ L+ a- b) }5 m Order = 12 = 2^2 * 3
3 @( X4 j; b. y* j) ~. W (b, a, d)" E: X* u5 j7 A1 a! P: s
(c, d)(b, a)
; |* c Q* Z5 q4 ~" p1 \1 F (c, a)(b, d)
! _1 X5 ` S- R3 A7 T% @[11] Order 24 Length 12 h7 h+ N9 t2 t% r4 X/ _: w9 D
Permutation group acting on a set of cardinality 4
- L" J6 v* I3 x3 O' s C: E4 _* x! j* b r Order = 24 = 2^3 * 3
( p. L) U0 I1 u5 M2 O$ a5 z (a, d)
! A, k) M- Z9 D: U9 l (b, a, d)
) ]* `! \* |1 H S3 j9 Z, a3 c (c, d)(b, a)6 y% w: K: @4 g e* O, }% L8 d# }
(c, a)(b, d)6 G7 R& d/ j0 y. Y o% A
Conjugacy classes of subgroups; |, f' T2 T8 B) j6 w& c4 n- }/ G
------------------------------6 A" n' G! J+ [. B' \
* p. P" G y. d% c3 n/ U[1] Order 6 Length 4
5 {7 c3 T; |( C* v8 | Permutation group acting on a set of cardinality 4
+ r5 A% ~6 [" N( @' j Order = 6 = 2 * 3
% r6 }9 H" z! Q (a, d)5 b" Z3 A$ o k+ V* j
(b, a, d)
1 ^7 K% S3 r* p7 g( O% i0 Q; d[2] Order 8 Length 3
( M, u) P' j$ W: n$ ^ Q, f. a Permutation group acting on a set of cardinality 4
k1 e/ {" k) \# J$ r2 H" \ Order = 8 = 2^3
) D: R* I, J* ^ (a, d)% R7 s$ j8 n% M& a. z
(c, d)(b, a)* O- N8 H. I' a( t! o" a% l6 U O
(c, a)(b, d)
/ y) h5 l5 a' Z. S[3] Order 12 Length 1
& v5 |8 f& ^# n6 ~" I) P Permutation group acting on a set of cardinality 4. z1 C3 m* ?% t
Order = 12 = 2^2 * 3
4 u7 V1 g! |1 r6 D3 t1 z, H8 I. @ (b, a, d)
5 i/ R+ O1 r# l0 n# H: C (c, d)(b, a)% w# C: [3 R( G% |& O
(c, a)(b, d)
: k" E) \! x( W4 H- H/ wConjugacy classes of subgroups0 v: C! C' l, K$ o" q* l% I
------------------------------) j, t, D/ U# @8 G
1 w0 D u, k5 a0 {- a0 e' H[ 1] Order 1 Length 1
+ \' @- o5 r7 W, I Permutation group acting on a set of cardinality 4
" Q. s+ I: h$ o- b( G; M5 S' l5 m+ Q Order = 1
1 n* I0 G3 o% |" A* r1 l[ 2] Order 2 Length 35 j! k" z* C" O& I) `1 Y; l
Permutation group acting on a set of cardinality 45 H3 X$ ~6 x. k0 T2 ^6 [
Order = 24 U+ ~) M3 E7 B0 p: M4 r6 N
(c, d)(b, a)
: m' d8 D$ {3 G+ d# J/ q* C' `[ 3] Order 2 Length 6. y( J. j0 ~7 i- d
Permutation group acting on a set of cardinality 4
/ f8 `- G: Q* a2 @2 t M9 \; y Order = 2
1 c2 [, @- a, A1 G! b$ q! M; u (a, d)
0 G+ G- ]4 I R" Q% @9 R[ 4] Order 3 Length 46 u9 a$ P; x" n/ x
Permutation group acting on a set of cardinality 43 ^6 T z' i! K# M8 L8 B0 ?3 o' ?4 y0 k
Order = 3
( P2 l2 Q! V0 Q& f0 v# n7 P (b, a, d)
6 R" g9 }+ e+ f" d" C[ 5] Order 4 Length 1
; k8 E/ v& Z! v1 @ Permutation group acting on a set of cardinality 4
) @& D! y( q( |1 `1 j0 } Order = 4 = 2^2
3 l+ {# s& J3 e+ B/ D/ B, E (c, d)(b, a); W7 k/ j7 l2 ^
(c, a)(b, d)% y$ z4 X6 d ^7 q3 p8 e+ N
[ 6] Order 4 Length 3
$ G; O/ }9 E0 S$ G* N: D Permutation group acting on a set of cardinality 4( f. a0 l8 z% ~( Z
Order = 4 = 2^20 c5 C4 P: C, t$ |: Y+ M
(c, d, b, a)' x- \( X- B& j* T; c6 p3 k
(c, b)(a, d)
7 S" |: o# h- j+ F+ Q4 l[ 7] Order 4 Length 3- R& z( I/ B! s6 J( a! o! u
Permutation group acting on a set of cardinality 4
% i* F" s N& F& Y0 m Order = 4 = 2^2
/ A# m. a. ~8 ~" J( M (a, d)
) \: Z L( h( A2 d: ]! Z (c, b)(a, d)5 x4 x8 ~3 }2 x$ u# K9 U& v+ R6 s% [
[ 8] Order 6 Length 4
% E$ s) y, j& U6 Z/ |! D+ D Permutation group acting on a set of cardinality 4
9 S* k* [7 G/ J Order = 6 = 2 * 3
! o' y5 {/ Q" ]7 W (a, d)
* G. A( H0 @. U) ]& O% V (b, a, d)1 a* X' O8 F5 F) R
[ 9] Order 8 Length 3, H; _( ^" y- i! J
Permutation group acting on a set of cardinality 4
. f) R2 X: v5 Y+ \9 b! N Order = 8 = 2^3& |- }$ X j3 V
(a, d)& W! T o4 ^ p
(c, d)(b, a)1 v9 U* c2 u1 ?: ?4 E
(c, a)(b, d)" ]$ A8 j+ H9 ?( D- A* [) _5 C, ]
[10] Order 12 Length 1; G- J% v7 Z8 o2 N$ T( g' J* a4 ]% l3 C Y
Permutation group acting on a set of cardinality 4
0 @' u. b/ E& }; x Q Order = 12 = 2^2 * 3# ^& b9 a, i" ?3 h6 E: z j: T H
(b, a, d)4 T: i t5 T: s' k4 w9 o% H1 r
(c, d)(b, a), u6 |2 i3 p, A" `* k4 v4 F3 g
(c, a)(b, d); B# p' n( U) Z1 x. X
[11] Order 24 Length 1
4 l ~' B s; Z" }; h V- t7 F Permutation group acting on a set of cardinality 4
2 v8 I* N5 M/ B# w& S) \ Order = 24 = 2^3 * 36 Y* \7 L0 u/ F, B2 Q7 i
(a, d)+ J0 t' B/ k: A" @0 a1 ^
(b, a, d)
# J, J6 w: b' n+ `' }% v (c, d)(b, a)& n9 j9 a6 W0 F3 F
(c, a)(b, d)& I- E" z. `( c- _( f1 ]
Conjugacy classes of subgroups
0 T" ^, p. f. h! C6 B6 m6 x------------------------------
' u' N6 S2 j1 |% S5 b# s% D! N$ d$ w& ?4 `. J% h, ?4 Q
[1] Order 1 Length 11 J3 e9 A& f' p* q; q+ V9 R6 f
Permutation group acting on a set of cardinality 49 N; M& ]8 G! P( _9 n7 x8 w" ?. a
Order = 1& v5 r% [+ x1 ]) w
[2] Order 4 Length 11 R3 Y9 w+ c$ D# g' l+ o
Permutation group acting on a set of cardinality 4
: m3 y0 {( w) ` Order = 4 = 2^2
( c4 V \. E& p4 ]: H (c, d)(b, a)% | q/ ^+ q. y2 }
(c, a)(b, d)' B- ^5 Y& S3 _+ r3 n" X9 @6 n
[3] Order 12 Length 1
: |! L% ?' b( l0 } Permutation group acting on a set of cardinality 4( b4 X3 R6 V- Q' t @# Q
Order = 12 = 2^2 * 34 u7 C8 I8 c. V6 u9 e
(b, a, d)8 ~5 s) V! e' w5 v. y# b
(c, d)(b, a)4 Y) r. ]! {; D3 G( |! A
(c, a)(b, d)
2 i$ d# [# |* t, A( M[4] Order 24 Length 1
5 f% D- w. Z5 K Permutation group acting on a set of cardinality 4
+ r9 u& N- I; A" y Order = 24 = 2^3 * 3
4 I: _$ m) u, [. B( x5 \ (a, d)
7 l( a* y2 n" l4 g (b, a, d)
) s7 @' I& a( s, t. R5 j' ]9 t (c, d)(b, a)
1 Z; O$ b" r$ M4 Y$ g+ s+ U2 l& ~4 A! F (c, a)(b, d)
( w' z% I. ~, `$ x' \Conjugacy classes of subgroups& O( a' S( V5 G( q9 F% ]
------------------------------; q6 K9 i' P1 m# _
4 ~* {4 v' a, H[1] Order 1 Length 10 j, G! k3 k: x* h# s. G* u
Permutation group acting on a set of cardinality 4
' y/ V* e" Y* W$ L# i, @8 M& w Order = 1/ ?1 K* F! c: X* z J9 @
[2] Order 2 Length 3) J$ d% f3 z7 H6 U; Q6 s
Permutation group acting on a set of cardinality 4
- g; ?' m' R4 U" v Order = 2
' A' Z7 J1 H/ V- ?3 E6 M( J6 W# H (c, d)(b, a)3 W' N/ F/ \0 `! r1 v
[3] Order 2 Length 60 x: z7 N% X" K' S5 o2 V6 Z
Permutation group acting on a set of cardinality 4. h+ U! \+ }* s# g0 P! D
Order = 2* m6 M; K' y x1 k5 }
(a, d)
3 I* @$ b8 V6 d5 L5 o9 V$ Z* k[4] Order 3 Length 4
8 G. H' L0 I- \- Z" F9 Q$ e Permutation group acting on a set of cardinality 4
1 ]6 K7 z; j) s$ l2 Q6 K7 ^: G3 D, E* Y Order = 3! H3 Z: v j3 U! H) Q+ {
(b, a, d)
, e/ V9 k( I5 {+ n" o[5] Order 4 Length 11 }/ Z. n' n7 N1 R4 X/ K
Permutation group acting on a set of cardinality 4: S- ~ u% i$ G/ m# S; {
Order = 4 = 2^2" T2 W. E5 i, j5 N/ l( E) {
(c, d)(b, a)
' X. V: z1 M& ]; Y. T; w (c, a)(b, d)
8 i* `1 A) H" h! E' R, I' H[6] Order 4 Length 3
( P% F! R+ ?; a Permutation group acting on a set of cardinality 4/ ]+ M: Y! t, ~! {
Order = 4 = 2^2# t3 A2 E: v$ v" |
(c, d, b, a)
. ]- b. c; q- U" X (c, b)(a, d)& h4 N% s: c4 Q3 W9 V& W" O
[7] Order 4 Length 3
4 T% O" X% W+ g% b/ `7 c: ] Permutation group acting on a set of cardinality 4
# t8 W d4 @8 Y$ `) _# E Order = 4 = 2^2$ |4 D3 d- c- _1 f% T
(a, d)4 j5 S* `) ^7 n
(c, b)(a, d)
, ^4 h! o; [/ t9 p( ]+ e' G% EConjugacy classes of subgroups& `' O7 z `" y# B: z- i
------------------------------
- N6 s. b% h* S4 l
+ t& N; v; L$ A) q[1] Order 6 Length 4: D5 K& K- |2 l4 F
Permutation group acting on a set of cardinality 4/ D. W- C" K( {4 E7 W: |% ?7 a9 ]
Order = 6 = 2 * 3/ b8 R$ Q# f" G" r
(a, d)
7 g# g+ C" W6 f4 Z8 b; N9 I! `' D (b, a, d)8 r, z9 ~+ W. A1 ]2 e- M
[2] Order 8 Length 3
: i0 _& e4 A# u6 M4 h7 R/ D Permutation group acting on a set of cardinality 4
! `& ], m% I$ F- t3 x* ] Order = 8 = 2^3
# O, c2 c$ j0 Z; Y (a, d)
4 ?0 h# Z+ j: C% l; \. I ]$ ` (c, d)(b, a)
1 d; n9 C4 p1 t. `6 u (c, a)(b, d)
) o2 O( S, D3 s! {! c c[3] Order 12 Length 1
1 x b3 p3 @0 m! {6 z) ~) V$ T Permutation group acting on a set of cardinality 4$ E. f5 A: o0 X6 q
Order = 12 = 2^2 * 3
0 W$ U. M, Z- {$ s, b6 U/ m (b, a, d)# s2 C# w. I/ j* ]
(c, d)(b, a)4 a" L6 ~* }# G! m7 m" V
(c, a)(b, d)
$ N; T' g7 ~" _% ~6 ?" ?
( L7 ~$ L Y. R* l$ pPartially ordered set of subgroup classes
; E$ X' z5 K# P( }! z-----------------------------------------
: ?4 {% T3 V# s: \5 I" `6 `# B: {5 K" C+ M. {; H
[11] Order 24 Length 1 Maximal Subgroups: 8 9 10# u# F+ e5 {$ P. ^8 ^7 Q$ m X' I p
---8 l. l$ A3 W2 c7 @- m" D* W
[10] Order 12 Length 1 Maximal Subgroups: 4 5
2 f7 O7 f/ ]1 k9 J[ 9] Order 8 Length 3 Maximal Subgroups: 5 6 7
3 I0 T6 s0 O$ w---" y+ t9 ~* ^+ `: x J. V
[ 8] Order 6 Length 4 Maximal Subgroups: 3 4
1 r$ z9 ^9 r, x, e# p0 l2 n[ 7] Order 4 Length 3 Maximal Subgroups: 2 S* i2 c$ ?0 A4 `& d
[ 6] Order 4 Length 3 Maximal Subgroups: 2 3
" b( B0 y3 K6 j9 Z3 L[ 5] Order 4 Length 1 Maximal Subgroups: 2
! ~5 B V# ]- L7 k5 G' U2 M---
$ @9 J0 j7 d0 c( U1 A[ 4] Order 3 Length 4 Maximal Subgroups: 1
# [0 M1 I! g9 F; P! @8 ^' J5 {* g[ 3] Order 2 Length 6 Maximal Subgroups: 18 z7 |! |3 d& z
[ 2] Order 2 Length 3 Maximal Subgroups: 1
; \( \' M x/ t$ n+ K---
. L$ o) P, ^, k: a[ 1] Order 1 Length 1 Maximal Subgroups:. c- M7 }8 H) e4 n* X1 J
6 f1 P- c4 f0 Z( Z: K7 i/ i1 {GSet{@ c, b, a, d @}6 i+ V$ c5 k( n& H6 ^
Conjugacy Classes of group S48 c8 e; g$ \* z% M
------------------------------ B4 b' Q- M) _! o% u2 V3 C
[1] Order 1 Length 1 2 y' y) C- z1 ^' W9 W2 Y; V8 u
Rep Id(S4)* c3 o7 n2 ~+ V/ s* l3 D
- G- i! j$ q- ^& ]6 R. X3 v N" V" V
[2] Order 2 Length 3
/ e' H$ O: e$ g5 F3 L% @! U! H Rep (c, b)(a, d); a. u0 x& b/ u6 u
; D- ~. b% E, ^0 W3 i1 K4 c& b
[3] Order 2 Length 6 & Q% [7 t" L: ^% X
Rep (c, b)+ _1 K! r! Y) W/ }
% F$ t3 O/ r4 N: @[4] Order 3 Length 8 , |5 g# A6 A" ^# X+ H& M
Rep (c, b, a)
" t( a8 U" D/ x3 V0 B- B9 ^8 x4 n$ J- Y$ g
[5] Order 4 Length 6 / ^$ ^4 @! {; c, a3 Y; F
Rep (c, b, a, d)' b: j% c( L; V% D& p' G/ Q0 ]
& i# d; L8 c: {# n0 Y# @& [& s
' K* m4 _# _1 O5 |
|